Check-Host.cc

Top-Level Domain

.is

Aggregated statistics for the top-level domain

Apex domains
30,409
we've enumerated
Subdomains seen
125,515
CT + DNS + brute
TLS certs
1,602
naming .is
Hosting ASNs
distinct origins

Domain Distribution

No apex enumerations

No subdomain discoveries yet for .is. Our CT-log + DNS-brute crawlers populate this as they pick up domains.

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 576
Amazon 254
DigiCert 139
YR1 101
YR2 92
Sectigo 79
YE2 62
YE1 56
GlobalSign 35
Cloudflare 33
WR3 31
GoDaddy 23
ZeroSSL 23
Raphty Dev TLS Issuer GCP dev0 20251203-3305 3
LiteSSL 3

Top Hosting ASNs

No hosting attribution yet

Forward-DNS crawler hasn't resolved enough .is apexes to BGP-attributable IPs.

Tech-Stack Distribution

No Wappalyzer detections

Body-fetcher hasn't covered enough .is sites yet for stack patterns to emerge.

ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.